| All Patents in class 279/57 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 320,868 | Jun. 23, 1885 | H.E. Fuller | Bit-brace |
 | 347,417 | Aug. 17, 1886 | W.P. Bullard | Bit-brace |
| | 412,027 | Oct. 01, 1889 | E.F. Spaulding, J. Hartness | Lathe Chuck |
| | 451,711 | May 05, 1891 | J. Hartness | Chuck |
| | 489,933 | Jan. 17, 1893 | C.M. Conradson | Chuck for Screw Machines |
| | 627,815 | Jun. 27, 1899 | H. Austin | Lathe Chuck |
| | 658,473 | Sep. 25, 1900 | T. Coventry, W.D. Smith | Chuck |
 | 847,573 | Mar. 19, 1907 | B.M. Hanson | Chuck |
| | 889,768 | Jun. 02, 1908 | A.L. De Leeuw | Locking Mechanism for Machine Tools |
| | 1,120,530 | Dec. 08, 1914 | O.H. Pieper | Tool Holder |
